1. Rusted steel visible,Water seepage at cracks or spalling areas
2. More than one year
3. 20-30 years
4. Rental property with the building's deed of mutual covenant/landlord approval for remodel
5. Not need for scaffolding or lifting equipment
Description: 1. 客廳近廁所有50cm x 70cm天花剝落,鋼筋生鏽外露,最近醬身出現裂痕